@font-face {
  font-family: 'iconfont';  /* Project id 3301124 */
  src: url('//at.alicdn.com/t/font_3301124_83d1mai4mjj.woff2?t=1649141570833') format('woff2'),
       url('//at.alicdn.com/t/font_3301124_83d1mai4mjj.woff?t=1649141570833') format('woff'),
       url('//at.alicdn.com/t/font_3301124_83d1mai4mjj.ttf?t=1649141570833') format('truetype');
}
html {
  /* 100vw ~ 375px */
  font-size: 0.26666vw;
}
body {
  font-size: 12rem;
}